package day02;

public class DoubleDemo {
    public static void main(String[] args) {
        double a = 3.14;
        float b = 3.14F;
        double c = 3.0 , d = 2.9;
        System.out.println(c-d);
        double e = 6.0 , f = 4.9;
        System.out.println(e-f);
        double g = 6.1 , h = 1.9;
        System.out.println(g-h);

    }
}
